Filter
Top Products
Chapter 1 33
NOTE: IRQ settings may be changed by OS
IRQ Assignment Map
Interrupt Channel Function
(ISA) 0 System timer
(ISA) 1 Keyboard
(ISA) 6 Keyboard
(ISA) 8 Standard floppy disk controller
(ISA) 9 System CMOS/real time clock
(ISA) 12 Synaptics PS/2 Port Pointing Device
(ISA) 13 Numeric data processor
(ISA) 14 Primary IDE Channel
(ISA) 15 Secondary IDE Channel
(PCI) 10 Agere Systems AC’97 Modem
(PCI) 10 Crystal WDM AC’97 Driver for ICH4
(PCI) 10 Intel (R) 82801DB/DBM SMBus Controller-24C3
(PCI) 10 Intel (R) 82801DB/DBM USB 2.0 Enhanced Host Controller-24CD
(PCI) 10 Texas Instruments PCI-1520 CardBus Controller
(PCI) 10 Texas Instruments PCI-1520 CardBus Controller
(PCI) 11 Intel (R) 82801DB/DBM USB Universal Host Controller-24C2
(PCI) 11 Intel (R) 82801DB/DBM USB Universal Host Controller-24C4
(PCI) 11 Intel (R) 82801DB/DBM USB Universal Host Controller-24C7
(PCI) 11 Intel (R) 82852/82855 GM/GME Graphics Controller
(PCI) 11 Realtek RTL8139/810x Family Fast Ethernet NIC
DMA Channel Assignment
DMA Channel Function
2 Standard floppy disk controller
3 ECP Printer Port (LPT1)
4 Direct memory access controller